| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the License. You may obtain a |
| * copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package org.apache.geode.management.internal.pulse; |
| |
| import static org.apache.geode.test.awaitility.GeodeAwaitility.await; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.concurrent.CountDownLatch; |
| |
| import org.junit.Test; |
| |
| import org.apache.geode.cache.Cache; |
| import org.apache.geode.cache.execute.Execution; |
| import org.apache.geode.cache.execute.Function; |
| import org.apache.geode.cache.execute.FunctionContext; |
| import org.apache.geode.cache.execute.FunctionService; |
| import org.apache.geode.management.DistributedSystemMXBean; |
| import org.apache.geode.management.ManagementService; |
| import org.apache.geode.management.ManagementTestBase; |
| import org.apache.geode.test.dunit.SerializableRunnable; |
| import org.apache.geode.test.dunit.VM; |
| |
| /** |
| * This is for testing running functions |
| */ |
| |
| |
| class SimpleWaitFunction<T> implements Function<T> { |
| private static CountDownLatch countDownLatch; |
| |
| public static void setLatch() { |
| countDownLatch = new CountDownLatch(1); |
| } |
| |
| public static void clearLatch() { |
| countDownLatch.countDown(); |
| } |
| |
| @Override |
| public void execute(FunctionContext<T> context) { |
| try { |
| countDownLatch.await(); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| } |
| |
| |
| public class TestFunctionsDUnitTest extends ManagementTestBase { |
| |
| private static final long serialVersionUID = 1L; |
| |
| public TestFunctionsDUnitTest() { |
| super(); |
| } |
| |
| private static Integer getNumOfRunningFunction() { |
| |
| await().until(() -> { |
| final ManagementService service = getManagementService(); |
| final DistributedSystemMXBean bean = service.getDistributedSystemMXBean(); |
| if (bean != null) { |
| return bean.getNumRunningFunctions() > 0; |
| } |
| return false; |
| }); |
| |
| final DistributedSystemMXBean bean = getManagementService().getDistributedSystemMXBean(); |
| assertNotNull(bean); |
| |
| return bean.getNumRunningFunctions(); |
| } |
| |
| @Test |
| public void testNumOfRunningFunctions() { |
| initManagement(false); |
| VM client = managedNodeList.get(2); |
| client.invokeAsync(new SerializableRunnable() { |
| @Override |
| public void run() { |
| Cache cache = getCache(); |
| SimpleWaitFunction<Boolean> simpleWaitFunction = new SimpleWaitFunction(); |
| simpleWaitFunction.setLatch(); |
| Execution execution = |
| FunctionService.onMember(cache.getDistributedSystem().getDistributedMember()); |
| execution.setArguments(Boolean.TRUE).execute(simpleWaitFunction); |
| } |
| }); |
| |
| Integer numOfRunningFunctions = |
| managingNode.invoke(TestFunctionsDUnitTest::getNumOfRunningFunction); |
| |
| assertTrue(numOfRunningFunctions > 0); |
| |
| client.invoke(new SerializableRunnable() { |
| @Override |
| public void run() { |
| SimpleWaitFunction.clearLatch(); |
| } |
| }); |
| } |
| |
| } |